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The network is about to find out after announcing a one-time scheduling swap between 'Three Rivers' and 'Cold Case.' The swap will take place next week, according to the Live Feed.

'Three Rivers'' current 9PM time slot makes it the beneficiary of a traditionally strong lead-in from 'The Amazing Race.' But so far this season, 'Rivers' has failed to 'Race''s audience, and is also being blamed for offering a weak lead-in for 'Cold Case.'

There is speculation that CBS is deciding whether or not to pull the plug on 'Three Rivers' altogether -- that is, unless the network can find the heart to order more episodes after this last-ditch programming attempt.

Sundays have always been a good night for CBS. It's been a good day for years, thanks to the NFL. Traditionally, the football games bleed right into prime time, which commences at seven o'clock because of 60 Minutes. Even in the days when CBS broadcast Sunday night movies, the network has done well on that night of the week.

However, the advent of the NBC Football Night in America has put a dent in CBS's strength. Also the ABC lineup and Fox's animation domination are no slouches either. So, CBS is going to do something to bolster Sundays. Three Rivers and Cold Case will switch time slots.